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APEX
™
Exciter Incorporating FLO
™
T
echnology
T
able of Cont
ents
Page: xiv
888-2604-0
01
03/08/07
W
ARNING: Disconnect primary power prior to servicing.
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TECHNICAL MANUAL
1
Exciter
1
888-2604-001
1
Returns And Exchanges
2
Unpacking
2
Technical Assistance
2
Replaceable Parts Service
2
2604ti.fm
5
FIRST-AID
9
REFERENCE
9
Table of Contents
11
Page: x 888-2604-001 03/08/07
12
2604s100TOC.fm
13
List of Figures
17
2604s100LOF.fm
19
List of Tables
21
1Introduction
23
1.3 Physical Description
24
2604s100.fm
25
1.4 Technical Overview
26
1.5 Specifications
26
Specifications Introduction
27
Introduction Specifications
28
2 Installation
29
2.3.1 AC Power
30
2.5.1 Feedback Requirements
31
2604s200.fm
33
2.6 Configuring the Exciter
35
2.7 Materials Needed
39
Installation Materials Needed
40
3.1 Basic Operating Procedure
41
2604s300.fm
43
3.2.4 FLO Measure Soft Key
44
3.3 LCD Display Flow Chart
44
System Setup Screen
45
System Status Screen
45
3.4.1 System Status Screen
48
3.4.5.2.1 PLL Diagnostics
61
3.4.6.3 CAN Bus Status Screen
70
3.4.6.3.1 CAN Diagnostics
70
3.4.6.5 GPS Status Screen
71
3.5 Built In Tests
72
3.6.2 Exciter Setup Screen
75
in hertz. The
76
3.6.2.1 Power Calibration
78
3.6.3 RTAC Setup Screen
78
3.6.3.1 Filter Type
80
3.6.3.2 Max Peak Stretch
80
3.6.3.3 RTAC Power On Mode
80
3.6.3.4 RTAC Off Air Mode
81
3.6.4 Display Setup Screen
81
3.6.5.2 RF Present Cutoff
83
3.6.7 FPGA Setup
88
3.6.7.1 FPGA Configure 1/5
88
3.6.7.2 FPGA Configure 2/5
89
3.6.7.3 FPGA Configure 3/5
90
3.6.7.4 FPGA Configure 4/5
91
3.6.9 Restore Defaults
95
3.7.5 From RTAC Setup Screen
97
4 Theory of Operation
99
4.3.1 Controller Board Theory
101
2604s400.fm
103
4.4.3 PLL Board - A4
108
4.4.3.1 10 MHz Reference
108
4.4.4 Output Amplifier
111
4.5 DC Power Distribution
112
4.5.1 Main Power Supply
112
4.5.2 Digital Deck Power
112
4.5.2.6 Front Panel Board
114
4.5.3 Analog Deck Power
114
4.5.3.4 PLL Board Power
115
4.5.3.6 Output Amplifier
116
Exciter Maintenance
117
8439153013A.PLT
118
2604s500.fm
119
5.2 Loading Software
125
Exciter Setup Screen?
128
Transmitter Fails Mask Test
130
5.6 General Troubleshooting
132
5.6.1 Troubleshooting Tips
132
5.7 System Troubleshooting
133
5.8 Exciter Troubleshooting
135
5.8.1 Frequency Error
135
5.8.2 Dark Screen
135
5.8.3 Power Supply Voltages
136
5.8.6.1 Modulator Board
139
5.8.6.3 ADC and DAC Boards
140
5.8.6.4 Front Panel Board
140
5.8.6.5 Controller Board
140
RBW 30 kHz
142
SWT 30 ms
142
VBW 30 kHz
142
Att 25 dBRef -1 dBm
142
6Parts List
143
Parts List
144
Exciter GUI Screen Captures
145
2604sapa.fm
145
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